1 files changed, 13 insertions, 0 deletions
diff --git a/interpolate.js b/interpolate.js
index e69de29..36cf2f8 100644
--- a/interpolate.js
+++ b/interpolate.js
@@ -0,0 +1,13 @@
+const regex = /\${[^{]+}/g;
+
+export default function interpolate(template, variables, fallback) {
+    return template.replace(regex, (match) => {
+        const path = match.slice(2, -1).trim();
+        return getObjPath(path, variables, fallback);
+    });
+}
+
+//get the specified property or nested property of an object
+function getObjPath(path, obj, fallback = '') {
+    return path.split('.').reduce((res, key) => res[key] || fallback, obj);
+}
+\ No newline at end of file